Pith Number

pith:7OU7TCGW

pith:2024:7OU7TCGWGTXEWLZVLFZM4IZDLC

not attested not anchored not stored refs pending

[X/Fe] Marks the Spot: Mapping Chemical Azimuthal Variations in the Galactic Disk with APOGEE

Adrian M. Price-Whelan, Carrie Filion, Chervin F. P. Laporte, Chris Carr, Danny Horta, Keith Hawkins, Zoe Hackshaw

arxiv:2405.18120 v2 · 2024-05-28 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OU7TCGWGTXEWLZVLFZM4IZDLC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T09:34:14.225104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fba9f988d634ee4b2f355972ce232358a49ec0b50089edef6f2c6369df0b4e9e

Aliases

arxiv: 2405.18120 · arxiv_version: 2405.18120v2 · doi: 10.48550/arxiv.2405.18120 · pith_short_12: 7OU7TCGWGTXE · pith_short_16: 7OU7TCGWGTXEWLZV · pith_short_8: 7OU7TCGW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7OU7TCGWGTXEWLZVLFZM4IZDLC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fba9f988d634ee4b2f355972ce232358a49ec0b50089edef6f2c6369df0b4e9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd740610242c65b8acf1b04715eddb450b0312d2e66d0b9ff8434b4ff0f9d7b3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-05-28T12:28:15Z",
    "title_canon_sha256": "832974fca31b20fe6fc9ce20e7c90f03ece83c3110f383083d617ee16ef17cb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.18120",
    "kind": "arxiv",
    "version": 2
  }
}